Sigmund Freud

Sigmund Freud

Freud, Sigmund, 1856-1939, Austrian psychiatrist, founder of psychoanalysis. Born in Moravia, he lived most of his life in Vienna, receiving his medical degree from the Univ. of Vienna in 1881.

His medical career began with an apprenticeship (1885-86) under J. M. Charcot in Paris, and soon after his return to Vienna he began his famous collaboration with Josef Breuer on the use of hypnosis in the treatment of hysteria. Their paper, On the Psychical Mechanism of Hysterical Phenomena (1893, tr. 1909), more fully developed in Studien über Hysterie (1895), marked the beginnings of psychoanalysis in the discovery that the symptoms of hysterical patients—directly traceable to psychic trauma in earlier life—represent undischarged emotional energy (conversion; see hysteria). The therapy, called the cathartic method, consisted of having the patient recall and reproduce the forgotten scenes while under hypnosis. The work was poorly received by the medical profession, and the two men soon separated over Freud's growing conviction that the undefined energy causing conversion was sexual in nature.

Freud then rejected hypnosis and devised a technique called free association (see association), which would allow emotionally charged material that the individual had repressed in the unconscious to emerge to conscious recognition. Further works, The Interpretation of Dreams (1900, tr. 1913), The Psychopathology of Everyday Life (1904, tr. 1914), and Three Essays on the Theory of Sexuality (1905, tr. 1910), increased the bitter antagonism toward Freud, and he worked alone until 1906, when he was joined by the Swiss psychiatrists Eugen Bleuler and C. G. Jung, the Austrian Alfred Adler, and others.

In 1908, Bleuler, Freud, and Jung founded the journal Jahrbuch für psychoanalytische und psychopathologische Forschungen, and in 1909 the movement first received public recognition when Freud and Jung were invited to give a series of lectures at Clark Univ. in Worcester, Mass. In 1910 the International Psychoanalytical Association was formed with Jung as president, but the harmony of the movement was short-lived: between 1911 and 1913 both Jung and Adler resigned, forming their own schools in protest against Freud's emphasis on infantile sexuality and the Oedipus complex. Although these men, and others who broke away later, objected to Freudian theories, the basic structure of psychoanalysis as the study of unconscious mental processes is still Freudian. Disagreement lies largely in the degree of emphasis placed on concepts largely originated by Freud.

He considered his last contribution to psychoanalytic theory to be The Ego and the Id (1923, tr. 1927), after which he reverted to earlier cultural preoccupations. Totem and Taboo (1913, tr. 1918), an investigation of the origins of religion and morality, and Moses and Monotheism (1939, tr. 1939) are the result of his application of psychoanalytic theory to cultural problems. With the National Socialist occupation of Austria, Freud fled (1938) to England, where he died the following year.

Freudian theory has had wide impact, influencing fields as diverse as anthropology, education, art, and literary criticism. His daughter, Anna Freud, was a major proponent of psychoanalysis, developing in particular the Freudian concept of the defense mechanism. Other works include A General Introduction to Psychoanalysis (1910, tr. 1920) and New Introductory Lectures on Psycho-analysis (1933).

(born May 6, 1856, Freiberg, Moravia, Austrian Empire—died Sept. 23, 1939, London, Eng.) Austrian neuropsychologist, founder of psychoanalysis, and one of the major intellectual figures of the 20th century. Trained in Vienna as a neurologist, Freud went to Paris in 1885 to study with Jean-Martin Charcot, whose work on hysteria led Freud to conclude that mental disorders might be caused purely by psychological rather than organic factors. Returning to Vienna (1886), Freud collaborated with the physician Josef Breuer (1842–1925) in further studies on hysteria, resulting in the development of some key psychoanalytic concepts and techniques, including free association, the unconscious, resistance (later defense mechanisms), and neurosis. In 1899 he published The Interpretation of Dreams, in which he analyzed the complex symbolic processes underlying dream formation: he proposed that dreams are the disguised expression of unconscious wishes. In his controversial Three Essays on the Theory of Sexuality (1905), he delineated the complicated stages of psychosexual development (oral, anal, and phallic) and the formation of the Oedipus complex. During World War I, he wrote papers that clarified his understanding of the relations between the unconscious and conscious portions of the mind and the workings of the id, ego, and superego. Freud eventually applied his psychoanalytic insights to such diverse phenomena as jokes and slips of the tongue, ethnographic data, religion and mythology, and modern civilization. Works of note include Totem and Taboo (1913), Beyond the Pleasure Principle (1920), The Future of an Illusion (1927), and Civilization and Its Discontents (1930). Freud fled to England when the Nazis annexed Austria in 1938; he died shortly thereafter. Despite the relentless and often compelling challenges mounted against virtually all of his ideas, both in his lifetime and after, Freud has remained one of the most influential figures in contemporary thought.

Biography

Early life

Sigmund Freud was born on 6 May, 1856 to Galician Jewish parents in Příbor (Freiberg in Mähren), Moravia, Austrian Empire, now Czech Republic. His father Jakob was 41, a wool merchant, and had two children by a previous marriage. His mother Amalié (née Nathansohn), the third wife of Jakob, was 21. He was the first of their eight children and owing to his precocious intellect, his parents favoured him over his siblings from the early stages of his childhood; and despite their poverty, they sacrificed everything to give him a proper education. Due to the economic crisis of 1857, Freud's father lost his business, and the family moved first to Leipzig before settling in Vienna. In 1865, Sigmund entered the Leopoldstädter Kommunal-Realgymnasium, a prominent high school. Freud was an outstanding pupil and graduated the Matura in 1873 with honors.
After planning to study law, Freud joined the medical faculty at University of Vienna to study under Darwinist Prof. Karl Claus. At that time, eel life history was still unknown, and due to their mysterious origins and migrations, a racist association was often made between eels and Jews and Gypsies. In search for their male sex organs, Freud spent four weeks at the Austrian zoological research station in Trieste, dissecting hundreds of eels without finding more than his predecessors such as Simon von Syrski. In 1876, he published his first paper about "the testicles of eels" in the "Mitteilungen der österreichischen Akademie der Wissenschaften", conceding that he could not solve the matter either. Frustrated by the lack of success that would have gained him fame, Freud chose to change his course of study. Biographers like Siegfried Bernfeld wonder if and how this early episode was significant for his later work regarding hidden sexuality and frustrations.

Medical school

In 1874, the concept of "psychodynamics" was proposed with the publication of Lectures on Physiology by German physiologist Ernst Wilhelm von Brücke who, in coordination with physicist Hermann von Helmholtz, one of the formulators of the first law of thermodynamics (conservation of energy), supposed that all living organisms are energy-systems also governed by this principle. During this year, at the University of Vienna, Brücke served as supervisor for first-year medical student Sigmund Freud who adopted this new "dynamic" physiology. In his Lectures on Physiology, Brücke set forth the radical view that the living organism is a dynamic system to which the laws of chemistry and physics apply. This was the starting point for Freud's dynamic psychology of the mind and its relation to the unconscious. The origins of Freud’s basic model, based on the fundamentals of chemistry and physics, according to John Bowlby, stems from Brücke, Meynert, Breuer, Helmholtz, and Herbart. In 1879, Freud interrupted his studies to complete his one year of obligatory military service, and in 1881 he received his Dr. med. (M.D.) with the thesis Über das Rückenmark niederer Fischarten ("on the spinal cord of lower fish species").

Freud and psychoanalysis

In October 1885 Freud went to Paris on a travelling fellowship to study with Europe's most renowned neurologist, Jean Martin Charcot. He was later to remember the experience of this stay as catalytic in turning him toward the practice of medical psychopathology and away from a less financially promising career in research neurology. Charcot specialised in the study of hysteria and its susceptibility to hypnosis which he frequently demonstrated with patients on stage in front of an audience. Freud later turned away from hypnosis as a potential cure, favouring free association and dream analysis. Charcot himself questioned his own work on hysteria towards the end of his life.

After opening his own medical practice, specializing in neurology, Freud married Martha Bernays in 1886. Her father Berman was the son of Isaac Bernays, chief rabbi in Hamburg. After experimenting with hypnosis on his neurotic patients, Freud abandoned this form of treatment as it proved ineffective for many, in favor of a treatment where the patient talked through his or her problems. This came to be known as the "talking cure", as the ultimate goal of this talking was to locate and release powerful emotional energy that had initially been rejected, and imprisoned in the unconscious mind. Freud called this denial of emotions "repression", and he believed that it was often damaging to the normal functioning of the psyche, and could also retard physical functioning as well, which he described as "psychosomatic" symptoms. (The term "talking cure" was initially coined by the patient Anna O. who was treated by Freud's colleague Josef Breuer.) The "talking cure" is widely seen as the basis of psychoanalysis.

There has long been dispute about the possibility that a romantic liaison blossomed between Freud and his sister-in-law, Minna Bernays, who had moved into Freud's apartment at 19 Berggasse in 1896. It has been suggested that the affair resulted in a pregnancy and subsequently an abortion for Miss Bernays. A hotel log dated August 13, 1898 has been suggested to support the allegation of an affair.

In his 40s, Freud "had numerous psychosomatic disorders as well as exaggerated fears of dying and other phobias" (Corey 2001, p. 67). During this time Freud was involved in the task of exploring his own dreams, memories, and the dynamics of his personality development. During this self-analysis, he came to realize the hostility he felt towards his father (Jacob Freud), who had died in 1896, and "he also recalled his childhood sexual feelings for his mother (Amalia Freud), who was attractive, warm, and protective" (Corey 2001, p. 67) considers this time of emotional difficulty to be the most creative time in Freud's life.

After the publication of Freud's books in 1900 and 1902, interest in his theories began to grow, and a circle of supporters developed in the following period. Freud often chose to disregard the criticisms of those who were skeptical of his theories, however, which earned him the animosity of a number of individuals, the most famous being Carl Jung, who originally supported Freud's ideas. Part of the reason for their fallout was due to Jung's growing commitment to religion and mysticism, which conflicted with Freud's atheism.

Last years

In 1930, Freud received the Goethe Prize in appreciation of his contribution to psychology and to German literary culture. Three years later the Nazis took control of Germany and Freud's books featured prominently among those burned and destroyed by the Nazis. In March 1938, Nazi Germany annexed Austria in the Anschluss. This led to violent outbursts of anti-Semitism in Vienna, and Freud and his family received visits from the Gestapo. Freud decided to go into exile "to die in freedom". He and his family left Vienna in June 1938 and moved to Hampstead, London.

A heavy cigar smoker, Freud endured more than 30 operations during his life due to oral cancer. In September 1939 he prevailed on his doctor and friend Max Schur to assist him in suicide. After reading Balzac's La Peau de chagrin in a single sitting he said, "My dear Schur, you certainly remember our first talk. You promised me then not to forsake me when my time comes. Now it is nothing but torture and makes no sense any more." Schur administered three doses of morphine over many hours that resulted in Freud's death on September 23, 1939.
Three days after his death, Freud's body was cremated at Golders Green Crematorium in England during a service attended by Austrian refugees, including the author Stefan Zweig. His ashes were later placed in the crematorium's columbarium. They rest in an ancient Greek urn which Freud had received as a present from Marie Bonaparte and which he had kept in his study in Vienna for many years. After Martha Freud's death in 1951, her ashes were also placed in that urn. Golders Green Crematorium has since also become the final resting place for Anna Freud and her lifelong friend Dorothy Burlingham, as well as for several other members of the Freud family.

Freud's ideas

Freud has been influential in two related but distinct ways. He simultaneously developed a theory of how the human mind is organized and operates internally, and a theory of how human behavior both conditions and results from this particular theoretical understanding. This led him to favor certain clinical techniques for attempting to help cure psychopathology. He theorized that personality is developed by the person's childhood experiences.

Early work

Since neurology and psychiatry were not recognized as distinct medical fields at the time of Freud's training, the medical degree he obtained after studying for six years at the University of Vienna board certified him in both fields, although he is far more well-known for his work in the latter. As far as neurology went, Freud was an early researcher on the topic of neurophysiology, specifically cerebral palsy, which was then known as "cerebral paralysis." He published several medical papers on the topic, and showed that the disease existed well before other researchers of the period began to notice and study it. He also suggested that William Little, the man who first identified cerebral palsy, was wrong about lack of oxygen during the birth process being a cause. Instead, he suggested that complications in birth were only a symptom of the problem.

Freud hoped that his research would provide a solid scientific basis for his therapeutic technique. The goal of Freudian therapy, or psychoanalysis, was to bring to consciousness repressed thoughts and feelings in order to free the patient from the suffering caused by the repetitive return of distorted forms of these thoughts and feelings.

Classically, the bringing of unconscious thoughts and feelings to consciousness is brought about by encouraging the patient to talk in free association and to talk about dreams. Another important element of psychoanalysis is a relative lack of direct involvement on the part of the analyst, which is meant to encourage the patient to project thoughts and feelings onto the analyst. Through this process, transference, the patient can reenact and resolve repressed conflicts, especially childhood conflicts with (or about) parents.

The origin of Freud's early work with psychoanalysis can be linked to Joseph Breuer. Freud credited Breuer with the discovery of the psychoanalytical method. One case started this phenomenon that would shape the field of psychology for decades to come, the case of Anna O. In 1880 a young girl came to Breuer with symptoms of what was then called female hysteria. Anna O. was a highly intelligent 21-year-old woman. She presented with symptoms such as paralysis of the limbs, dissociation, and amnesia; today this set of symptoms are known as conversion disorder. After many doctors had given up and accused Anna O. of faking her symptoms, Breuer decided to treat her sympathetically, which he did with all of his patients. He started to hear her mumble words during what he called states of absence. Eventually Breuer started to recognize some of the words and wrote them down. He then hypnotized her and repeated the words to her; Breuer found out that the words were associated with her father's illness and death.

In the early 1890s Freud used a form of treatment based on the one that Breuer had described to him, modified by what he called his "pressure technique" and his newly-developed analytic technique of interpretation and reconstruction. According to the traditional story, based on Freud's later accounts of this period, as a result of his use of this procedure most of his patients in the mid-1890s reported early childhood sexual abuse. He believed these stories, but then came to realize that they were fantasies. He explained these at first as having the function of "fending off" memories of infantile masturbation, but in later years he wrote that they represented Oedipal wishful fantasies.
A different version of events starts with Freud's first positing that unconscious memories of infantile sexual abuse were at the root of the psychoneuroses in letters to Wilhelm Fliess in October 1895 before he reported that he had actually discovered such abuse among his patients. In the first half of 1896 Freud published three papers stating that he had uncovered, in all of his current patients, deeply repressed memories of sexual abuse in early childhood. In these papers Freud recorded that with his patients the imputed memories were not conscious, and that on his theory they must be present as unconscious memories if they were to result in hysterical symptoms or obsessional neurosis. The patients were subjected to considerable pressure to "reproduce" infantile sexual abuse "scenes" that Freud was convinced had been repressed into the unconscious. However they generally were unconvinced that what they experienced under the influence of his clinical procedures indicated that they had actually been subjected to early childhood sexual abuse: he reported that even after the supposed "reproduction" of sexual scenes the patients assured him emphatically of their unbelief.

As well as his "pressure technique," Freud's clinical procedures involved analytic inference and the symbolic interpretation of symptoms to "trace back" to infantile sexual abuse "scenes". His claim of one hundred percent confirmation of his theory only served to reinforce previously expressed reservations from his colleagues about the validity of findings obtained by means of the suggestive techniques he was using.

Freud and cocaine

Freud was an early user and proponent of cocaine as a stimulant as well as analgesic. He wrote several articles on the antidepressant qualities of the drug and he was influenced by his friend and confidant Wilhelm Fliess, who recommended cocaine for the treatment of the "nasal reflex neurosis." Fliess operated on Freud and a number of Freud's patients whom he believed to be suffering from the disorder, including Emma Eckstein, whose surgery proved disastrous..

Freud felt that cocaine would work as a panacea for many disorders and wrote a well-received paper, "On Coca," explaining its virtues. He prescribed it to his friend Ernst von Fleischl-Marxow to help him overcome a morphine addiction he had acquired while treating a disease of the nervous system. Freud also recommended it to many of his close family and friends. He narrowly missed out on obtaining scientific priority for discovering cocaine's anesthetic properties (of which Freud was aware but on which he had not written extensively), after Karl Koller, a colleague of Freud's in Vienna, presented a report to a medical society in 1884 outlining the ways in which cocaine could be used for delicate eye surgery. Freud was bruised by this, especially because this would turn out to be one of the few safe uses of cocaine, as reports of addiction and overdose began to filter in from many places in the world. Freud's medical reputation became somewhat tarnished because of this early ambition. Furthermore, Freud's friend Fleischl-Marxow developed an acute case of "cocaine psychosis" as a result of Freud's prescriptions and died a few years later. Freud felt great regret over these events, which later biographers have dubbed "The Cocaine Incident." However, he managed to move on, and even continued to use cocaine.

Jurgen von Scheidt speculated that most of Freud's psychoanalytical theory was a byproduct of his cocaine use.

The Unconscious

Perhaps the most significant contribution Freud made to Western thought were his arguments concerning the importance of the unconscious mind in understanding conscious thought and behavior. However, as psychologist Jacques Van Rillaer pointed out, "contrary to what most people believe, the unconscious was not discovered by Freud. In 1890, when psychoanalysis was still unheard of, William James, in his monumental treatise on psychology, examined the way Schopenhauer, von Hartmann, Janet, Binet and others had used the term 'unconscious' and 'subconscious'". Boris Sidis, a Russian Jew who emigrated to the United States of America in 1887, and studied under William James, wrote The Psychology of Suggestion: A Research into the Subconscious Nature of Man and Society in 1898, followed by ten or more works over the next twenty five years on similar topics to the works of Freud. Historian of psychology Mark Altschule concluded, "It is difficult - or perhaps impossible - to find a nineteenth-century psychologist or psychiatrist who did not recognize unconscious cerebration as not only real but of the highest importance. Freud's advance was not to uncover the unconscious but to devise a method for systematically studying it.

Freud called dreams the "royal road to the unconscious". This meant that dreams illustrate the "logic" of the unconscious mind. Freud developed his first topology of the psyche in The Interpretation of Dreams (1899) in which he proposed that the unconscious exists and described a method for gaining access to it. The preconscious was described as a layer between conscious and unconscious thought; its contents could be accessed with a little effort.

One key factor in the operation of the unconscious is "repression."
Freud believed that many people "repress" painful memories deep into their unconscious mind.
Although Freud later attempted to find patterns of repression among his patients in order to derive a general model of the mind, he also observed that repression varies among individual patients.
Freud also argued that the act of repression did not take place within a person's consciousness. Thus, people are unaware of the fact that they have buried memories or traumatic experiences.

Later, Freud distinguished between three concepts of the unconscious: the descriptive unconscious, the dynamic unconscious, and the system unconscious. The descriptive unconscious referred to all those features of mental life of which people are not subjectively aware. The dynamic unconscious, a more specific construct, referred to mental processes and contents which are defensively removed from consciousness as a result of conflicting attitudes. The system unconscious denoted the idea that when mental processes are repressed, they become organized by principles different from those of the conscious mind, such as condensation and displacement.

Eventually, Freud abandoned the idea of the system unconscious, replacing it with the concept of the Ego, super-ego, and id. Throughout his career, however, he retained the descriptive and dynamic conceptions of the unconscious.

Psychosexual development

Freud hoped to prove that his model was universally valid and thus turned to ancient mythology and contemporary ethnography for comparative material. Freud named his new theory the Oedipus complex after the famous Greek tragedyOedipus Rex by Sophocles. "I found in myself a constant love for my mother, and jealousy of my father. I now consider this to be a universal event in childhood," Freud said. Freud sought to anchor this pattern of development in the dynamics of the mind. Each stage is a progression into adult sexual maturity, characterized by a strong ego and the ability to delay gratification (cf. Three Essays on the Theory of Sexuality). He used the Oedipus conflict to point out how much he believed that people desire incest and must repress that desire. The Oedipus conflict was described as a state of psychosexual development and awareness. He also turned to anthropological studies of totemism and argued that totemism reflected a ritualized enactment of a tribal Oedipal conflict.

Freud originally posited childhood sexual abuse as a general explanation for the origin of neuroses, but he abandoned this so-called "seduction theory" as insufficiently explanatory, noting that he had found many cases in which apparent memories of childhood sexual abuse were based more on imagination than on real events. During the late 1890s Freud, who never abandoned his belief in the sexual etiology of neuroses, began to emphasize fantasies built around the Oedipus complex as the primary cause of hysteria and other neurotic symptoms. Despite this change in his explanatory model, Freud always recognized that some neurotics had been sexually abused by their fathers, and was quite explicit about discussing several patients whom he knew to have been abused.

Freud also believed that the libido developed in individuals by changing its object, a process codified by the concept of sublimation. He argued that humans are born "polymorphously perverse", meaning that any number of objects could be a source of pleasure. He further argued that, as humans develop, they become fixated on different and specific objects through their stages of development—first in the oral stage (exemplified by an infant's pleasure in nursing), then in the anal stage (exemplified by a toddler's pleasure in evacuating his or her bowels), then in the phallic stage. Freud argued that children then passed through a stage in which they fixated on the mother as a sexual object (known as the Oedipus Complex) but that the child eventually overcame and repressed this desire because of its taboo nature. (The term 'Electra complex' is sometimes used to refer to such a fixation on the father, although Freud did not advocate its use.) The repressive or dormant latency stage of psychosexual development preceded the sexually mature genital stage of psychosexual development.

Freud's views have sometimes been called phallocentric. This is because, for Freud, the unconscious desires the phallus (penis). Males are afraid of losing their masculinity, symbolized by the phallus, to another male. Females always desire to have a phallus - an unfulfillable desire. Thus boys resent their fathers (fear of castration) and girls desire theirs.

Id, ego, and super-ego

In his later work, Freud proposed that the psyche could be divided into three parts: ego, super-ego, and id. Freud discussed this model in the 1920 essay Beyond the Pleasure Principle, and fully elaborated upon it in The Ego and the Id (1923), in which he developed it as an alternative to his previous topographic schema (i.e., conscious, unconscious, and preconscious). The id is the impulsive, child-like portion of the psyche that operates on the "pleasure principle" and only takes into account what it wants and disregards all consequences. Freud acknowledged that his use of the term Id (das Es, "the It") derives from the writings of Georg Grodeck. The term Id appears in the earliest writing of Boris Sidis, in which it is attributed to William James, as early as 1898. The super-ego is the moral component of the psyche, which takes into account no special circumstances in which the morally right thing may not be right for a given situation. The rational ego attempts to exact a balance between the impractical hedonism of the id and the equally impractical moralism of the super-ego; it is the part of the psyche that is, usually, reflected most directly in a person's actions. When overburdened or threatened by its tasks, it may employ defense mechanisms including denial, repression, and displacement. The theory of ego defense mechanisms has received empirical validation, and the nature of repression, in particular, became one of the more fiercely debated areas of psychology in the 1990s.

The life and death drives

Freud believed that humans were driven by two conflicting central desires: the life drive (libido) (survival, propagation, hunger, thirst, and sex) and the death drive (Thanatos). Freud's description of Cathexis, whose energy is known as libido, included all creative, life-producing drives. The death drive (or death instinct), whose energy is known as anticathexis, represented an urge inherent in all living things to return to a state of calm: in other words, an inorganic or dead state. Freud recognized Thanatos only in his later years and developed his theory on the death drive in Beyond the Pleasure Principle. Freud approached the paradox between the life drives and the death drives by defining pleasure and unpleasure. According to Freud, unpleasure refers to stimulus that the body receives. (For example, excessive friction on the skin's surface produces a burning sensation; or, the bombardment of visual stimuli amidst rush hour traffic produces anxiety.) Conversely, pleasure is a result of a decrease in stimuli (for example, a calm environment the body enters after having been subjected to a hectic environment). If pleasure increases as stimuli decreases, then the ultimate experience of pleasure for Freud would be zero stimulus, or death.

Given this proposition, Freud acknowledged the tendency for the unconscious to repeat unpleasurable experiences in order to desensitize, or deaden, the body. This compulsion to repeat unpleasurable experiences explains why traumatic nightmares occur in dreams, as nightmares seem to contradict Freud's earlier conception of dreams purely as a site of pleasure, fantasy, and desire. On the one hand, the life drives promote survival by avoiding extreme unpleasure and any threat to life. On the other hand, the death drive functions simultaneously toward extreme pleasure, which leads to death. Freud addressed the conceptual dualities of pleasure and unpleasure, as well as sex/life and death, in his discussions on masochism and sadomasochism. The tension between Eros and Thanatos represented a revolution in his manner of thinking.

These ideas resemble aspects of the philosophies of Arthur Schopenhauer and Friedrich Nietzsche. Schopenhauer's pessimistic philosophy, expounded in The World as Will and Representation, describes a renunciation of the will to live that corresponds on many levels with Freud's Death Drive. Similarly, the life drive clearly parallels much of Nietzsche's concept of the Dionysian in The Birth of Tragedy. However, Freud denied having been acquainted with their writings before he formulated the groundwork of his own ideas.

Freud's legacy

Psychotherapy

Freud's theories and research methods have always been controversial. However, Freud has had a tremendous impact on psychotherapy. Many psychotherapists follow Freud's approach to a greater or lesser extent, even if they reject his theories. One influential post-Freudian psychotherapy has been the primal therapy of the American psychologist Arthur Janov.

Freud's contributions to psychotherapy have been extensively criticised by some scholars and historians, and defended by others.

Critics include H. J. Eysenck, who wrote that Freud 'set psychiatry back one hundred years', consistently mis-diagnosed his patients, fraudulently misrepresented case histories and that "what is true in Freud is not new and what is new in Freud is not true".

Mikkel Borch-Jacobsen wrote in a review of Han Israëls's book Der Fall Freud published in The London Review of Books that, "The truth is that Freud knew from the very start that Fleischl, Anna O. and his 18 patients were not cured, and yet he did not hesitate to build grand theories on these non-existent foundations...he disguised fragments of his self-analysis as ‘objective’ cases, that he concealed his sources, that he conveniently antedated some of his analyses, that he sometimes attributed to his patients ‘free associations’ that he himself made up, that he inflated his therapeutic successes, that he slandered his opponents.

Jacques Lacan saw attempts to locate pathology in, and then to cure, the individual as more characteristic of American ego psychology than of proper psychoanalysis. For Lacan, psychoanalysis invovled "self-discovery" and even social criticism, and it succeeded insofar as it provided emancipatory self-awareness.

Philosophy

Freud did not consider himself a philosopher, although he greatly admired Franz Brentano, known for his theory of perception, as well as Theodor Lipps, who was one of the main supporters of the ideas of the subconscious and empathy. In his 1932 lecture on psychoanalysis as "a philosophy of life" Freud commented on the distinction between science and philosophy:

Philosophy is not opposed to science, it behaves itself as if it were a science, and to a certain extent it makes use of the same methods; but it parts company with science, in that it clings to the illusion that it can produce a complete and coherent picture of the universe, though in fact that picture must needs fall to pieces with every new advance in our knowledge. Its methodological error lies in the fact that it over-estimates the epistemological value of our logical operations, and to a certain extent admits the validity of other sources of knowledge, such as intuition.

People on whom psychoanalytic observations were published, but who were not patients, included Daniel Paul Schreber (1842–1911); Woodrow Wilson (1856–1924), on whom Freud co-authored an analysis with primary writer William Bullitt; Michelangelo, whom Freud analyzed in his essay, "The Moses of Michelangelo"; Leonardo da Vinci, analyzed in Freud's book, Leonardo da Vinci and a Memory of His Childhood; Moses, in Freud's book, Moses and Monotheism; and Josef Popper-Lynkeus, in Freud's paper, "Josef Popper-Lynkeus and the Theory of Dreams."